﻿using System;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

namespace JinYuan.ControlLib
{
    public partial class ProcessEllipse : UserControl
    {

        public ProcessEllipse()
        {
            InitializeComponent();
            this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
            this.SetStyle(ControlStyles.DoubleBuffer, true);
            this.SetStyle(ControlStyles.ResizeRedraw, true);
            this.SetStyle(ControlStyles.Selectable, true);
            this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
            this.SetStyle(ControlStyles.UserPaint, true);
            ForeColor = Color.White;
            Font = new Font("Arial Unicode MS", 20);
        }

        #region 减少闪烁
        protected override CreateParams CreateParams
        {
            get
            {
                CreateParams cp = base.CreateParams;
                cp.ExStyle |= 0x02000000;
                return cp;
            }
        }
        #endregion

        [Description("值改变事件"), Category("自定义")]
        public event EventHandler ValueChanged;

        private Color m_backEllipseColor = Color.FromArgb(22, 160, 133);
        /// <summary>
        /// 圆背景色
        /// </summary>
        [Description("圆背景色"), Category("自定义")]
        public Color BackEllipseColor
        {
            get { return m_backEllipseColor; }
            set
            {
                m_backEllipseColor = value;
                Refresh();
            }
        }

        private Color m_coreEllipseColor = Color.FromArgb(180, 180, 180);
        /// <summary>
        /// 内圆颜色，ShowType=Ring 有效
        /// </summary>
        [Description("内圆颜色，ShowType=Ring 有效"), Category("自定义")]
        public Color CoreEllipseColor
        {
            get { return m_coreEllipseColor; }
            set
            {
                m_coreEllipseColor = value;
                Refresh();
            }
        }

        private Color m_valueColor = Color.FromArgb(255, 77, 59);

        [Description("值圆颜色"), Category("自定义")]
        public Color ValueColor
        {
            get { return m_valueColor; }
            set
            {
                m_valueColor = value;
                Refresh();
            }
        }

        private bool m_isShowCoreEllipseBorder = true;
        /// <summary>
        /// 内圆是否显示边框，ShowType=Ring 有效
        /// </summary>
        [Description("内圆是否显示边框，ShowType=Ring 有效"), Category("自定义")]
        public bool IsShowCoreEllipseBorder
        {
            get { return m_isShowCoreEllipseBorder; }
            set
            {
                m_isShowCoreEllipseBorder = value;
                Refresh();
            }
        }


        private ShowType m_showType = ShowType.PPM;
        /// <summary>
        /// 值文字类型
        /// </summary>
        [Description("显示类型"), Category("自定义")]
        public ShowType ShowType
        {
            get { return m_showType; }
            set
            {
                m_showType = value;
                UpdataMaxValue();
                Refresh();
            }
        }


        private ValueType m_valueType = ValueType.Percent;
        /// <summary>
        /// 值文字类型
        /// </summary>
        [Description("值文字类型，Percent-百分比；Absolute-数值"), Category("自定义")]
        public ValueType ValueType
        {
            get { return m_valueType; }
            set
            {

                m_valueType = value;
                Refresh();
            }
        }


        private ValueFloatOrInt m_valueFloatOrInt = ValueFloatOrInt.Int;
        /// <summary>
        /// 值文字类型
        /// </summary>
        [Description("值类型"), Category("自定义")]
        public ValueFloatOrInt ValueFloatOrInt
        {
            get { return m_valueFloatOrInt; }
            set
            {
                m_valueFloatOrInt = value;
                Refresh();
            }
        }


        private int m_valueWidth = 30;
        /// <summary>
        /// 外圆值宽度
        /// </summary>
        [Description("外圆值宽度，ShowType=Ring 有效"), Category("自定义")]
        public int ValueWidth
        {
            get { return m_valueWidth; }
            set
            {
                if (value <= 0 || value > Math.Min(this.Width, this.Height))
                    return;
                m_valueWidth = value;
                Refresh();
            }
        }

        private int m_valueMargin = 5;
        /// <summary>
        /// 外圆值间距
        /// </summary>
        [Description("外圆值间距"), Category("自定义")]
        public int ValueMargin
        {
            get { return m_valueMargin; }
            set
            {
                if (value < 0 || m_valueMargin >= m_valueWidth)
                    return;
                m_valueMargin = value;
                Refresh();
            }
        }

        private int m_maxValue = 100;
        /// <summary>
        /// 最大值
        /// </summary>
        [Description("最大值"), Category("自定义")]
        public int MaxValue
        {
            get { return m_maxValue; }
            set
            {

                //if (value > m_intValue || value > m_floatValue || value < 0)
                //    return;
                m_maxValue = value;
                Refresh();
            }
        }

        private int m_intValue = 0;
        /// <summary>
        /// 当前值
        /// </summary>
        [Description("当前值整数，ValueFloatOrInt=Int 有效"), Category("自定义")]
        public int IntValue
        {
            get { return m_intValue; }
            set
            {
                if (m_maxValue < value || value < 0)
                    return;
                m_intValue = value;
                if (ValueChanged != null)
                {
                    ValueChanged(this, null);
                }
                Refresh();
            }
        }

        private float m_floatValue = 0.00f;
        /// <summary>
        /// 当前值
        /// </summary>
        [Description("当前值浮点数,ValueFloatOrInt=Float 有效"), Category("自定义")]
        public float FloatValue
        {
            get { return m_floatValue; }
            set
            {
                if (m_maxValue < value || value < 0)
                    return;
                m_floatValue = value;
                if (ValueChanged != null)
                {
                    ValueChanged(this, null);
                }
                Refresh();
            }
        }


        private Font m_font = new Font("Arial Unicode MS", 20);
        [Description("文字字体"), Category("自定义")]
        public override Font Font
        {
            get
            {
                return m_font;
            }
            set
            {
                m_font = value;
                Refresh();
            }
        }

        Color m_foreColor = Color.White;
        [Description("文字颜色"), Category("自定义")]
        public override Color ForeColor
        {
            get
            {
                return m_foreColor;
            }
            set
            {
                m_foreColor = value;
                Refresh();
            }
        }

        private ShowStyleType m_showStyleType = ShowStyleType.Ring;

        [Description("显示样式"), Category("自定义")]
        public ShowStyleType ShowStyleType
        {
            get { return m_showStyleType; }
            set
            {
                m_showStyleType = value;
                Refresh();
            }
        }


        /// <summary>
        /// 更新最大值
        /// </summary>
        private void UpdataMaxValue()
        {
            switch (m_showType)
            {
                case ShowType.PPM:
                    this.m_maxValue = 100;
                    break;
                case ShowType.稼动率:
                    this.m_maxValue = 100;
                    break;
            }

        }


        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);

            var g = e.Graphics;
            g.SmoothingMode = SmoothingMode.AntiAlias;  //使绘图质量最高，即消除锯齿
            g.InterpolationMode = InterpolationMode.HighQualityBicubic;
            g.CompositingQuality = CompositingQuality.HighQuality;

            int intWidth = Math.Min(this.Size.Width, this.Size.Height);
            //底圆
            g.FillEllipse(new SolidBrush(m_backEllipseColor), new Rectangle(new Point(0, 0), new Size(intWidth, intWidth)));
            if (m_showStyleType == ShowStyleType.Ring)
            {
                //中心圆
                int intCore = intWidth - m_valueWidth * 2;
                g.FillEllipse(new SolidBrush(m_coreEllipseColor), new Rectangle(new Point(m_valueWidth, m_valueWidth), new Size(intCore, intCore)));
                //中心圆边框
                if (m_isShowCoreEllipseBorder)
                {
                    g.DrawEllipse(new Pen(m_valueColor, 2), new Rectangle(new Point(m_valueWidth + 1, m_valueWidth + 1), new Size(intCore - 1, intCore - 1)));
                }
                if (m_valueFloatOrInt == ValueFloatOrInt.Int)
                {
                    if (m_intValue >= 0 && m_maxValue > 0)
                    {
                        int fltPercent = (int)m_intValue / (int)m_maxValue;
                        if (fltPercent > 1)
                        {
                            fltPercent = 1;
                        }

                        g.DrawArc(new Pen(m_valueColor, m_valueWidth - m_valueMargin * 2), new RectangleF(new Point(m_valueWidth / 2 + m_valueMargin / 4, m_valueWidth / 2 + m_valueMargin / 4), new SizeF(intWidth - m_valueWidth - m_valueMargin / 2 + (m_valueMargin == 0 ? 0 : 1), intWidth - m_valueWidth - m_valueMargin / 2 + (m_valueMargin == 0 ? 0 : 1))), -90, fltPercent * 360);

                        string strValueText = m_valueType == ValueType.Percent ? fltPercent.ToString("0%") : m_intValue.ToString();
                        System.Drawing.SizeF _txtSize = g.MeasureString(strValueText, this.Font);
                        g.DrawString(strValueText, this.Font, new SolidBrush(this.ForeColor), new PointF((intWidth - _txtSize.Width) / 2 + 1, (intWidth - _txtSize.Height) / 2 + 1));
                    }
                }
                else
                {
                    if (m_floatValue >= 0 && m_maxValue > 0)
                    {
                        float fltPercent = (float)m_floatValue / (float)m_maxValue;
                        if (fltPercent > 1f)
                        {
                            fltPercent = 1f;
                        }

                        g.DrawArc(new Pen(m_valueColor, m_valueWidth - m_valueMargin * 2), new RectangleF(new Point(m_valueWidth / 2 + m_valueMargin / 4, m_valueWidth / 2 + m_valueMargin / 4), new SizeF(intWidth - m_valueWidth - m_valueMargin / 2 + (m_valueMargin == 0 ? 0 : 1), intWidth - m_valueWidth - m_valueMargin / 2 + (m_valueMargin == 0 ? 0 : 1))), -90, fltPercent * 360);
                        string strValueText = m_valueType == ValueType.Percent ? fltPercent.ToString("0%") : m_floatValue.ToString("f2");
                        System.Drawing.SizeF _txtSize = g.MeasureString(strValueText, this.Font);
                        g.DrawString(strValueText, this.Font, new SolidBrush(this.ForeColor), new PointF((intWidth - _txtSize.Width) / 2 + 1, (intWidth - _txtSize.Height) / 2 + 1));
                    }
                }

            }
            else
            {
                if (m_valueFloatOrInt == ValueFloatOrInt.Int)
                {
                    if (m_intValue >= 0 && m_maxValue > 0)
                    {
                        int fltPercent = (int)m_intValue / (int)m_maxValue;
                        if (fltPercent > 1)
                        {
                            fltPercent = 1;
                        }

                        g.FillPie(new SolidBrush(m_valueColor), new Rectangle(m_valueMargin, m_valueMargin, intWidth - m_valueMargin * 2, intWidth - m_valueMargin * 2), -90, fltPercent * 360);

                        string strValueText = m_valueType == ValueType.Percent ? fltPercent.ToString("0%") : m_intValue.ToString();
                        System.Drawing.SizeF _txtSize = g.MeasureString(strValueText, this.Font);
                        g.DrawString(strValueText, this.Font, new SolidBrush(this.ForeColor), new PointF((intWidth - _txtSize.Width) / 2 + 1, (intWidth - _txtSize.Height) / 2 + 1));
                    }
                }
                else
                {
                    if (m_floatValue >= 0 && m_maxValue > 0)
                    {
                        float fltPercent = (float)m_floatValue / (float)m_maxValue;
                        if (fltPercent > 1f)
                        {
                            fltPercent = 1f;
                        }

                        g.FillPie(new SolidBrush(m_valueColor), new Rectangle(m_valueMargin, m_valueMargin, intWidth - m_valueMargin * 2, intWidth - m_valueMargin * 2), -90, fltPercent * 360);
                        string strValueText = m_valueType == ValueType.Percent ? fltPercent.ToString("0%") : m_floatValue.ToString("f2");
                        System.Drawing.SizeF _txtSize = g.MeasureString(strValueText, this.Font);
                        g.DrawString(strValueText, this.Font, new SolidBrush(this.ForeColor), new PointF((intWidth - _txtSize.Width) / 2 + 1, (intWidth - _txtSize.Height) / 2 + 1));
                    }
                }

            }

        }
    }

    public enum ShowType
    {
        /// <summary>
        /// PPM
        /// </summary>
        PPM,
        /// <summary>
        /// 数值
        /// </summary>
        稼动率,
        /// <summary>
        /// 
        /// </summary>
        生产数
    }


    public enum ValueType
    {
        /// <summary>
        /// 百分比
        /// </summary>
        Percent,
        /// <summary>
        /// 数值
        /// </summary>
        Absolute
    }

    public enum ValueFloatOrInt
    {
        /// <summary>
        /// 整数
        /// </summary>
        Int,
        /// <summary>
        /// 浮点数
        /// </summary>
        Float
    }

    public enum ShowStyleType
    {
        /// <summary>
        /// 圆环
        /// </summary>
        Ring,
        /// <summary>
        /// 扇形
        /// </summary>
        Sector
    }
}
